# Backup NightELF

You can back up your NightELF data to prevent your device from being damaged or lost.

You can go to homepage first, then click Extension `Management` > `Backup NightELF`, enter your password and click Backup NightELF.

![Backup NightELF](/files/-Lwc0UnSpNNKeof5zKsm)

Click `Backup NightELF`

The browser will download the file named `NightELF_backup_file_xxxxxx.txt`.

Do not modify the file to prevent the data cannot be recovered. Please properly store the file. It is also recommended that you backup your NightELF once in a while.

The file is encrypted. You cannot directly get your keypair information when you open the file, but you still need to keep it properly.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.browser-extension.aelf.io/user/backup-nightelf.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.